Medicine and Health Sciences Commons^™

Crusted Scabies: A Case Report, Marshall Hall, Philip Oh, Michael Carletti, Stephen E. Weis

North Texas GME Research Forum 2024

Introduction: Scabies is a parasitic dermatologic condition that often presents as an extremely pruritic rash. A rare and highly contagious variant of scabies is crusted scabies, formerly known as Norwegian scabies. Crusted scabies presents with hyperkeratotic papules and plaques, most commonly on the palms and soles. Due to the variety of presentations seen in scabies, it can be difficult to diagnose. Case presentation: Case 1: An 89-year-old male with a history of dementia, anxiety, and benign prostatic hyperplasia presented with a 2-month history of a generalized pruritic rash. He lived in a memory care center. The physical exam showed an …

Presentations Of Cutaneous Disease In Various Skin Pigmentations: Tinea Corporis, Navya Peddireddy, Braden Van Alfen, Christian Scheufele, Marshall Hall, Christopher M. Wong, Stephen Weis

North Texas GME Research Forum 2024

Introduction: Tinea corporis, a superficial fungal skin infection, typically manifests as pruritic annular erythematous scaly plaques with central clearing. This condition can involve every body region. Here we present tinea corporis across various skin pigmentations. The goal of this presentation is to highlight distinctions and similarities in light, medium, and dark skin tones, using the Fitzpatrick scale for stratification of skin types. We hope this can aid primary care clinicians in early recognition of this common condition. Case Presentation: We present a series of cases illustrating the diverse manifestations of tinea corporis across different Fitzpatrick skin types. In Figure 2, …

Etanercept-Induced Iga Vasculitis, Marshall Hall, Christian Scheufele, Christopher Wong, Michael Carletti, Stephen E. Weis

North Texas GME Research Forum 2024

Introduction: IgA vasculitis, formerly known as Henoch-Schoenlein purpura, is a subtype of leukocytoclastic vasculitis (LCV) and approximately 90% are seen in the pediatric population. In the adult population, it is more frequently associated with a more severe clinical course. Causes of IgA vasculitis may be idiopathic or may be secondary to infections or medications. Etanercept is a tumor necrosis factor-alpha fusion protein that has been rarely associated with LCV. Case presentation: A 59-year-old female with a 2-year history of red-to-violaceous purpuric papules on the bilateral lower extremities. She noted that after etanercept administration her lesions would get redder and would …

Geometric Favre-Racouchot Syndrome Following Image-Guided Superficial Radiation Therapy, Marshall Hall, Cecilia Nguyen, Christian Scheufele, Christopher M. Wong, Stephen E. Weis, Michael Carletti, Henry Lim

North Texas GME Research Forum 2024

Introduction: Favre-Racouchot Syndrome is a cutaneous disease characterized by nodules, cysts, and comedones located in sun-exposed areas of the face. It is most commonly found on the bilateral temporal and periorbital skin. Favre-Racouchot Syndrome is most associated with chronic sun exposure. It occurs more commonly in cigarette smokers. It has been rarely associated with radiation therapy. It has not been reported after image-guided superficial radiation therapy or in a geometric pattern. Case presentation: We present the first two recorded cases of Favre-Racouchot Syndrome occurring in the setting of image-guided superficial radiation therapy. Both patients presented with well-demarcated geometric plaques with …

Presentations Of Cutaneous Disease In Various Skin Pigmentations: Steroid Atrophy, Marshall Hall, Ysabelle Martinez, Wenqin Du, Christian Scheufele, Christopher M. Wong

North Texas GME Research Forum 2024

Introduction: Topical steroids are commonly prescribed first-line medications for various inflammatory and autoimmune dermatologic conditions. Their widespread use raises the importance of proper use. Topical steroids have well-known side effects including skin atrophy, redness, striae, and telangiectasias. These side effects have not been well documented in patients of various skin tones. Primary care clinicians must recognize topical steroid side effects and their appearance in various skin tones. This paper will focus on representing skin atrophy, the most common steroid side effect, in a variety of Fitzpatrick skin types. Case Presentation: We present a series of images illustrating skin atrophy …

Improving Lesion Diameter Reporting On Skin Biopsy Requisition Forms: A Quality Improvement Project, Christopher Wong, Christian Scheufele, Marshall Hall, Henry Lim, Daniel A. Nguyen, Stephen Weis, Michael Carletti, Dustin Wilkes

North Texas GME Research Forum 2024

Background: Skin biopsy requisition forms (SBRFs) are the primary communication tool between dermatologists and dermatopathologists. Diameters of biopsied skin lesions are frequently omitted on SBRFs. This quality improvement project aimed to increase the rate of reporting diameters of neoplasms on SBRFs from an academic dermatology outpatient clinic to greater than 65% within three years. Methods: The Plan-Do-Study-Act model was utilized. An initial audit was performed for SBRFs of biopsies obtained between July 1, 2021, and February 4, 2022 (“Cycle 1”). On February 4, 2022, the authors discussed societal guidelines for lesion diameter reporting on SBRFs (“Intervention A”). Cycle 2 prospectively …

Concepts In Animal Parasitology, Chapter 34: Introduction To Diplostomida Olson Et Al., 2003 (Order) [Platyhelminthes, Trematoda, Digenea, Diplostomida], Lucrecia Acosta Soto, Bernard Fried, Rafael Toledo

Concepts in Animal Parasitology

An introduction to the trematode (fluke) order Diplostomida Olson et al., 2003, one of the two main lineages from which subclass Digenea have diversified. Includes a discussion of Diplostomida systematics, general morphology, and human pathogenesis, including schistosomiasis.

Chapter 34 in Concepts in Animal Parasitology, by Lucrecia Acosta Soto, Bernard Fried, and Rafael Toledo. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap034

Concepts In Animal Parasitology, Chapter 52: Oxyurida (Order): Pinworms [Nemata, Secernentea], Haylee J. Weaver

Concepts in Animal Parasitology

An overview of the pinworms, order Oxyurida, discussing their key features, life history, ecology, health effects on hosts, systematics, taxonomy, and including summaries of the main groups.

Chapter 52 in Concepts in Animal Parasitology, by Haylee J. Weaver. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap052

Concepts In Animal Parasitology, Part 5: Ectoparasites, Griselda Pulido-Flores, Scott C. Cutmore, Thomas H. Cribb, Alejandro Oceguera-Figueroa, Sebastian Kvist, Marcela Lareschi, Lajos Rózsa, Haylee J. Weaver, Sue Ann Gardner, Darci Moraes Barros-Battesti, Valeria Castilho Onofrio, Filipe Dantas-Torres

Concepts in Animal Parasitology

Part V: Ectoparasites, chapters 60–67, pages 732–841, in Concepts in Animal Parasitology. 2024. Scott L. Gardner and Sue Ann Gardner, editors. Zea Books, Lincoln, Nebraska, United States; part V doi: 10.32873/unl.dc.ciap075

Platyhelminthes

Chapter 60: Monogenea van Beneden, 1858 (Class) by Griselda Pulido-Flores, pages 733–742

Chapter 61: Transversotrematidae Witenberg, 1944 (Family): Ectoparasitic Trematodes by Scott C. Cutmore and Thomas H. Cribb, pages 743–746

Hirudinea

Chapter 62: Hirudinea (Subclass): Parasitic Leeches by Alejandro Oceguera-Figueroa and Sebastian Kvist, pages 747–755

Arthropoda

Chapter 63: Siphonaptera Latreille, 1825 (Order): Fleas by Marcela Lareschi, pages 756–770

Chapter 64: Phthiraptera (Order): Lice by Lajos Rózsa and Haylee …

Concepts In Animal Parasitology, Chapter 33: Aspidogastrea (Subclass) [Platyhelminthes, Trematoda, Aspidogastrea], Klaus Rohde

Concepts in Animal Parasitology

An overview of the trematode (fluke) subclass Aspidogastrea, a very small group of trematodes with around 80 species, none of them of economic importance, but are of great interest because of their unique structure, their simple life cycles (which may well be the most primitive or ancestral one among the trematodes, and the extraordinarily complex sensory/nervous systems found in some species. Includes a desciption of their general morphology, life cycles, taxonomy and phylogeny, infection process, localization in the host, and ecological infection dynamics.

Chapter 33 in Concepts in Animal Parasitology by Klaus Rohde. 2024. S. L. Gardner and S. A. …

Concepts In Animal Parasitology, Chapter 19: Echinococcus (Genus) [Platyhelminthes, Cestoda, Eucestoda], Akira Ito, Scott L. Gardner

Concepts in Animal Parasitology

Discusses the cestode (tapeworm) genus Echinococcus, several species of which infect humans, including their general morphology, taxonomy, systematics, life cycles, host range, and medical and veterinary importance.

Chapter 19 in Concepts in Animal Parasitology on the family Proteocephalidae La Rue, 1911 by Tomáš Scholz and Roman Kuchta. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap019

Concepts In Animal Parasitology, Chapter 21: Bothriocephalidea Kuchta Et Al., 2008 (Order) [Platyhelminthes, Cestoda, Eucestoda], Jorge Falcón-Ordaz, Luis García-Prieto

Concepts in Animal Parasitology

An overview of the cestode (tapeworm) order Bothriocephalidea Kuchta et al., 2008, including a discussion of the main morphological characteristics, the description and summary of a representative species, Schyzocotyle acheilognathi (Yamaguti, 1934) Brabec et al., 2015 (also known as the Asian fish tapeworm), including its prevalence, life cycles, host range, and zoogeography.

Chapter 21 in Concepts in Animal Parasitology by Jorge Falcón-Ordaz and Luis García-Prieto. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap021

Concepts In Animal Parasitology, Chapter 41: Monorchiata Olson Et Al., 2003 (Suborder): Two Families Separated By Salinity [Platyhelminthes, Trematoda, Digenea, Plagiorchiida], Nicholas Q.-X. Wee

Concepts in Animal Parasitology

An overview of the speciose trematode (fluke) suborder Monorchiata Olson et al., 2003, which parasitizes fishes as adults. Includes general morphology, systematics, taxonomy, life cycles, and biogeography for several groups.

Chapter 41 in Concepts in Animal Parasitology, by Nicholas Q.-X. Wee. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap041

Concepts In Animal Parasitology, Chapter 66: Ixodida Leach, 1815 (Order): Ticks -- Keys To The Ticks [Arthropoda], Darci Moraes Barros-Battesti, Valeria Castilho Onofrio, Filipe Dantas-Torres

Concepts in Animal Parasitology

Chapter 66: Ixodida Leach, 1815 (Order): Ticks -- Keys to the Ticks by Darci Moraes Barros-Battesti, Valeria Castilho Onofrio, and Filipe Dantas-Torres.

Supplement to chapter 66 in Concepts in Animal Parasitology. 2024. Scott L. Gardner and Sue Ann Gardner, editors. Zea Books, Lincoln, Nebraska, United States.

Concepts In Animal Parasitology, Chapter 67: Acari Leach, 1817 (Subclass): Mites [Arthropoda], David Evans Walter, Gerald W. Krantz, Evert E. Lindquist

Concepts in Animal Parasitology

A very brief overview from open access sources about mites (subclass Acari Leach, 1817), including discussion of general identifying characteristics, biology, life cycle, scabies (cause by Sarcoptes scabiei var. hominis), and phylogenetic relationships (through 1996).

Chapter 67 in Concepts in Animal Parasitology, by David Evans Walter, Gerald W. Krantz, and Evert E. Lindquist. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap067

Concepts In Animal Parasitology, Chapter 46: Opecoelidae Ozaki, 1925 (Family): The Richest Trematode Family [Platyhelminthes, Trematoda, Digenea, Plagiorchiida, Xiphidiata], Storm B. Martin

Concepts in Animal Parasitology

An overview of the trematode (fluke) family Opecoelidae Ozaki, 1925, the richest of all trematode families, comprising over 1,000 described species presently arranged into about 100 genera. Adult opecoelids are benign endoparasites, typically residing in the intestines, pyloric ceca, or rectum of phylogenetically and ecologically diverse teleost fishes worldwide. They exploit both marine and freshwater fishes and are among the best represented trematode lineages known from polar and deep sea fishes. Therefore, although no opecoelids are known to have any economic importance, they are often among the lineages of trematodes most frequently encountered by ichthyoparasitologists in the field.

Includes a …

Concepts In Animal Parasitology, Chapter 05: Life Cycles [Parasites In Relation To Other Organisms], Matthew G. Bolek, Kyle D. Gustafson, Gabriel J. Langford

Concepts in Animal Parasitology

Discusses the complex life cycles of parasites, their infection sites, and host range in relation to various host species.

Chapter 5 in Concepts in Animal Parasitology on life cycles by Matthew G. Bolek, Kyle D. Gustafson, and Gabriel J. Langford. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap005

Concepts In Animal Parasitology, Chapter 65: Triatominae Jeannel, 1919 (Subfamily): Kissing Bugs [Arthropoda], Sue Ann Gardner

Concepts in Animal Parasitology

An overview compiled from open access sources about kissing bugs, subfamily Triatominae Jeannel, 1919, including their hemtaophage biology, morphology of a representative species, Triatoma sanguisuga, history of the subfamily, biogeographic history, phylogeny, life cycle, triatomines serving as a vector for Trypanosoma cruzi, triatomine behavior, and medical importance.

Chapter 65 in Concepts in Animal Parasitology, compiled by Sue Ann Gardner. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap065

Compiled from the work of: C. Nunes de Araújo, T. V. Azeredo-Oliveira, I. Marques Dourado Bastos, K. L. da Silva Bentes, C. …

Concepts In Animal Parasitology, Chapter 08: Distributional Ecology Of Parasites [Parascript Approaches], A. Townsend Peterson

Concepts in Animal Parasitology

Discusses the distributional ecology of parasites, exploring the factors influencing their geographic distributions and the complexities involved compared to free-living organisms.

Chapter 8 in Concepts in Animal Parasitology on distributional ecology of parasites by A. Townsend Peterson. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap008

Concepts In Animal Parasitology, Chapter 20: Proteocephalidae La Rue, 1911 (Family) [Platyhelminthes, Cestoda, Eucestoda], Tomáš Scholz, Roman L. Kuchta

Concepts in Animal Parasitology

An overview of the cestode (tapeworm) family Proteocephalidae La Rue, 1911, including a discussion of the current classification, general morphology, species diversity, life cycles, host associations, geographical distribution, phylogenetic relationships, and selected Nearctic taxa.

Chapter 20 in Concepts in Animal Parasitology on the family Proteocephalidae La Rue, 1911 by Tomáš Scholz and Roman Kuchta. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap020

Concepts In Animal Parasitology, Chapter 27: Litobothriidea Dailey, 1969 (Order) [Platyhelminthes, Cestoda, Eucestoda], Luis García-Prieto, Berenice Adán-Torres, Brenda Atziri García-García, Omar Lagunas-Calvo

Concepts in Animal Parasitology

An overview of the cestode (tapeworm) order Litobothriidea Dailey, 1969. The 9 species included in the order, all belonging to the genus Litobothrium, infect the spiral intestine of sharks in the order Lamniformes in the tropical eastern Pacific to the central Indo-Pacific marine ecoregions. Covers their main morphological characteristics, description and summary of a representative species, L. amplificum (Kurochkin and Slankis, 1973) Euzet, 1994, taxonomy, and life cycles.

Chapter 27 in Concepts in Animal Parasitology by Luis García-Prieto, Berenice Adán-Torres, Brenda Atziri García-García, and Omar Lagunas-Calvo. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, …

Concepts In Animal Parasitology, Chapter 04: Hosts, Reservoirs, And Vectors [Parasites In Relation To Other Organisms], Matthew G. Bolek, Kyle D. Gustafson, Gabriel J. Langford

Concepts in Animal Parasitology

Discusses the role of hosts in life cycles and transmission of parasites, and reservoir hosts and vectors.

Chapter 4 in Concepts in Animal Parasitology on hosts, reservoirs, and vectors by Matthew G. Bolek, Kyle D. Gustafson, and Gabriel J. Langford. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap004

Concepts In Animal Parasitology, Chapter 14: Mesozoa (Phylum Dicyemida And Phylum Orthonecta) [Mesozoa], Sarah R. Catalano

Concepts in Animal Parasitology

An overview of the Mesozoa, parasites of marine invertebrates such as squid, octopus, and cuttlefish. Discusses the taxonomic classification, position in the Tree of Life, morphology, life cycle (inlcuding the secondary nematogen), hosts, patterns of infection, and molecular analyses, collection, and staining methods.

Chapter 14 in Concepts in Animal Parasitology on the Mesozoa (phylum Dicyemida and phylum Orthonectida) by Sarah R. Catalano. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap014

Concepts In Animal Parasitology, Chapter 25: Diphyllidea Van Beneden In Carus, 1863 (Order) [Platyhelminthes, Cestoda, Eucestoda], Luis García-Prieto, Brenda Atziri García-García, Omar Lagunas-Calvo, Berenice Adán-Torres

Concepts in Animal Parasitology

An overview of the cestode (tapeworm) order Diphyllidea van Beneden in Carus, 1863, a group of small and polyzoic cestodes inhabiting the spiral valve of elasmobranchs that occurs worldwide. Includes a discussion of the main morphological characteristics, species in the order, including a description and summary of a representative species, Halysioncum mexicanum (Tyler & Caira, 1999) Caira et al., 2013, and the life cycle.

Chapter 25 in Concepts in Animal Parasitology by Luis García-Prieto, Brenda Atziri García-García, Omar Lagunas-Calvo, and Berenice Adán-Torres. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap025

Concepts In Animal Parasitology, Chapter 10: Haemosporida (Order): The “Malaria Parasites” [Protozoa, Apicomplexa], Susan L. Perkins, Spencer C. Galen

Concepts in Animal Parasitology

An overview of the order Haemosporida, also referred to as the malaria parasites, including history of the knowledge of malaria, general life cycle, diversity of the group, classification, and phylogenetic relationships. Covers malaria parasites of birds, squamate reptiles, rodents, and other mammals, including humans and other apes. Includes discussion of Plasmodium falciparum, P. vivax, P. malariae, P. ovale, and P. knowlesi. Includes sections on the impact on human genetics and health, including sickle cell anemia, Duffy coat receptors, and combatting malarial disease.

Chapter 10 in Concepts in Animal Parasitology on the …

Concepts In Animal Parasitology, Chapter 30: Relics Of “Tetraphyllidea” Van Beneden, 1850 (Order) [Platyhelminthes, Cestoda, Eucestoda], Berenice Adán-Torres, Omar Lagunas-Calvo, Brenda Atziri García-García, Luis García-Prieto

Concepts in Animal Parasitology

An overview of the relics of cestode (tapeworm) order “Tetraphyllidea” van Beneden, 1850, parasites found in the spiral intestine and occasionally the stomach of species from all orders of elasmobranch fishes. Includes a discussion of their main morphological characteristics, a description and summary of a representative species, Duplicibothrium cairae Ruhnke et al., 2000, taxonomy, and life cycle.

Chapter 30 in Concepts in Animal Parasitology by Berenice Adán-Torres, Omar Lagunas-Calvo, Brenda Atziri García-García, and Luis García-Prieto. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap030

Concepts In Animal Parasitology, Chapter 54: Camallanina (Suborder): Guinea Worm And Related Nematodes [Nemata, Secernentea], Anindo Choudhury

Concepts in Animal Parasitology

An overview of the guinea worm (Dracunculus medinensis) and related nematodes (roundworms) in the suborder Camallanina. Discusses the systematics, taxonomy, phylogenetics of several groups, including the morphology, distribution, life cycles, and pathology and disease, the Guinea Worm Eradication Program, and Dracunculus species in wildlife.

Chapter 54 in Concepts in Animal Parasitology, by Anindo Choudhury. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap054

Concepts In Animal Parasitology, Chapter 29: Rhinebothriidea Healy Et Al., 2009 (Order) [Platyhelminthes, Cestoda, Eucestoda], Omar Lagunas-Calvo, Brenda Atziri García-García, Berenice Adán-Torres, Luis García-Prieto

Concepts in Animal Parasitology

An overview of the cestode (tapeworm) order Rhinebothriidea Healy et al., 2009, small worms that occur in the spiral intestine (valve) of rays (Batoidea) from marine and freshwater habitats worldwide. Includes discussion of their main morphological characteristics, a description and summary of a epresentative species, Anthocephalum currani Ruhnke and Seaman 2009, taxonomy, life cycle, and zoogeography.

Chapter 29 in Concepts in Animal Parasitology by Omar Lagunas-Calvo, Brenda Atziri García-García, Berenice Adán-Torres, and Luis García-Prieto. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap029

Concepts In Animal Parasitology, Chapter 22: Diphyllobothriidea Kuchta Et Al., 2008 (Order): The Broad Tapeworms [Platyhelminthes, Cestoda, Eucestoda], Tomáš Scholz, Roman L. Kuchta

Concepts in Animal Parasitology

Broad tapeworms are among the largest tapeworms on Earth and some species have been known as human parasites for a long time. However, species diversity of these usually large-sized tapeworms is still poorly known, partly because of the existence of numerous unresolved taxonomic problems. They currently get some attention due to several cases of human infection in non-endemic areas due to importation of unfrozen fish.

Includes an overview of the cestode order Diphyllobothriidea Kuchta et al., 2008, the group's taxonomic history, current classification, general morphology, species diversity, life cycles, host associations, geographic distribution, phylogenetic relationships, and selected taxa from the …

Concepts In Animal Parasitology, Chapter 12: Leishmania (Genus) And Leishmaniasis [Protozoa, Trypanosomatidae], Mary Ann Mcdowell, Jennifer Robichaud

Concepts in Animal Parasitology

An overview of the genus Leishmania, protozoan flagellate parasites. Covers the classification, development, life cycles, and effect on human and domestic animal health, including a discussion of the human disease leishmaniasis as well as animal models and immunology.

Chapter 12 in Concepts in Animal Parasitology on the genus Leishmania and leishmaniasis by Mary Ann McDowell and Jennifer Robichaud. 2024. S. L. Gardner and S. A. Gardner, editors. Zea Books, Lincoln, Nebraska, United States. doi: 10.32873/unl.dc.ciap012